The Shai Gilgeous-Alexander 2020-21 Panini Mosaic #103 Reactive Red Prizm is a standard-sized sports trading card featuring the National Basketball Association (NBA) player in the Oklahoma City Thunder team. Manufactured by Panini, this original card is part of the 2020-21 Panini Mosaic set and is made of card stock. The card is a parallel variety with a unique Reactive Red Prizm design, making it a sought-after collectible for basketball fans and card collectors alike.